/**
 *    Copyright 2012-2018 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.mybatis.scripting.velocity.use;

import java.util.HashMap;

public class EnumWrapper extends HashMap<String, Integer> {

  private static final long serialVersionUID = 1L;

  public EnumWrapper(Class<?> e) {
    if (e.isEnum()) {
      Object[] consts = e.getEnumConstants();
      for (int i = 0; i < consts.length; i++) {
        put(consts[i].toString(), i);
      }
    } else {
      throw new IllegalArgumentException("Supplied argument is not an enum class");
    }
  }

}
